The solar energy input into the very high southern latitudes determines the maximum productivity level that could have been achièyed by Antarctic ecosystems in the geological past when there was not a major glaciation. The input of energy must supply all that is needed the primary producers (the green plants) to carry out photosynthesis.Finally, the carnivorous animals feed either on the herbivorous ones or on other carnivorous ones. Parasites feed either on living plants or animals and scavengers feed on the latter2019s dead remains. Every organism in the ecosystem is thus dependent on the energy input either directly or indirectly. The solar input of about 3500 megajoules/m2/yr (Farman and Hamilton 1987; LaGrange 1963) for high latitudes in Antartica will determine for the continent a temperature ecosystem.
- Ring Width
- Growth Ring
- Fossil Wood
- High Southern Latitude
- Solar Input
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Creber, G.T. (1990). The South Polar Forest Ecosystem. In: Taylor, T.N., Taylor, E.L. (eds) Antarctic Paleobiology. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-3238-4_4
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